FAN1582T25

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The FAN1582T25 is a linear voltage regulator designed to provide a regulated voltage to the system. It is part of a PMIC family of devices that offers an economical, low power, bidirectional controller for high efficiency AC-DC or DC-DC power supplies. It is based on an enhanced linear regulator with integrated voltage reference.

The FAN1582T25 features an adjustable output voltage range from 1.2V to 3.3V, which can be adjusted in 50mV steps by a single external voltage divider. The output voltage is preset by the factory at a nominal voltage of 2.5V. The minimum input voltage is 2.5V, and the maximum is 15.0V. Meanwhile, the maximum output current is 150mA.

The FAN1582T25 is suitable for low input voltage applications in the automotive, industrial, and consumer markets. It offers a non-isolated, wide input voltage and output voltage range functionality. It is capable of operating from a 12V battery, allowing for efficient operation in a wide range of applications, from monitoring and control circuits in measuring meters, for conditioning automotive power systems, to providing bias for electronic control systems.

The FAN1582T25 works by comparing the output voltage to an integrated reference voltage, then adjusts its output accordingly to maintain the set voltage. The device has an on-chip, high speed, voltage feedback loop, which provides fast line and load regulation. It also has a logic pin which is used to enable or disable the device. When the logic pin is low, the device is in shutdown mode and its output voltage drops to 0V. When the logic pin is high, the device is enabled and its output voltage ramps up to the regulated output voltage.

The FAN1582T25 also has built-in protection against under-voltage, over-voltage, and over-temperature conditions. It has a thermal shutdown feature which shuts off the device when the operating temperature reaches above the predetermined level of 150°C. The device also features low quiescent current, making it suitable for battery applications.

Overall, the FAN1582T25 is an advanced linear voltage regulator that combines good performance and sufficient protection features with an adjustable output voltage range. It is a cost-effective solution for applications demanding excellent power regulator performance and high reliability in a compact size.

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